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Old 03-24-2013, 01:35 PM   #1
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8.8 ford rear axle??

while cruising around the YJ forums ive noticed several references to swapping rear axles with 8.8 ford..what are the advantages to this ?other then the rear disc brake and the hugh avalibility of junk yard explorers

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Old 03-24-2013, 01:59 PM   #2
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They are a lot stronger, but I don't have the actual numbers. They are out there though. They are about the same width as the D35. Parts are easy to find. They come in the same gear ratios as some Jeeps. Just a good overall axle for a YJ swap.

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Old 03-24-2013, 02:16 PM   #3
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You would be a lot better off with a ford 9.75 or D44. That 8.8 isn't very big or strong when compared to those and all the 4x4s come with the 9.75 not the 8.8 in them. It is so rare to see an 8.8 in one around here that it is always a shock when one shows up and I have only seen them in the 2 wheel versions which are also very rare around here. Think the fact that 80 percent of the back roads around here are dirt may have something to do with that.
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Old 03-24-2013, 02:29 PM   #4
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an 8.8 is alot stronger than the dana 35 it is an awsome upgrade and you retain the stock bolt peterin the 8.8 is stronger than a dana 44 and is around the same width
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Old 03-24-2013, 03:19 PM   #5
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8.8 is definetly stronger than the D35 and D44. I have an 8.8 in my Jeep easy swap if you are good with a welder. A budy of mine tore his D44 up and put an 8.8 in to replace it as well. As mentioned in other post above, the width is almost identical, you get rear disc brakes, a stronger axel and you might can find one with the OEM Locker. Depends on which gear ratio you want, but you can find them in 4.10 also.
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Old 03-24-2013, 03:20 PM   #6
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Genesbro, the 8.8 is stronger than the D44. And many F150s, Explorers, and rangers came with the 8.8. For good reason too: they are strong. And the 8.8 is a good choice because its about the best axle you can get that isn't full width or custom and shortened.
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Old 03-24-2013, 06:07 PM   #7
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i have some home work to do..i need to determine my front axle ratio..im not sure what was even offered from jeep..but i would like to find a 8.8 in with 3:73 gear and a LSD unit
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Old 03-24-2013, 06:16 PM   #8
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8.8 owner here as well. I would doing the following... look for one with 4.11 gears and then either upgrade your front axle gears or find a YJ 4.11 in a yard. The carrier in the 8.8 is the weak link.. if you plan to do a locker go with a full case unit. The axle tubes on this thing are big, the shafts have 31 splines, disc brakes on 95+ to 2001ish models. You can also look for a mountaineer vs the explorer. The other thing folks complain about is it is c-clip axle.. but unlike the dana 35 if you did bust a shaft the brakes will hold it in.

All that being said.. run the math on a dana 44 as well, and a ford 9". that way you can decide with way to go.
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Old 03-24-2013, 10:27 PM   #9
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was thinking 3:73 for highway driving,its hard to avoid here in nj..any place where i can find all the info i need for this swap? including drive shaft issues?
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Old 03-24-2013, 10:35 PM   #10
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Quote:
Originally Posted by genesbro View Post
You would be a lot better off with a ford 9.75 or D44. That 8.8 isn't very big or strong when compared to those and all the 4x4s come with the 9.75 not the 8.8 in them. It is so rare to see an 8.8 in one around here that it is always a shock when one shows up and I have only seen them in the 2 wheel versions which are also very rare around here. Think the fact that 80 percent of the back roads around here are dirt may have something to do with that.
What are you talking about? Are you talking about the explorer rear end the OP asked about or the F150?
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Old 03-24-2013, 10:36 PM   #11
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I have an 8.8. They much stronger then the Dana 35 and stronger then the d44. If you Google axle break strengths there are care plenty of threads that will show the numbers. I had one issue with mine and it was my locker not the axle.
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Old 03-24-2013, 10:37 PM   #12
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was thinking 3:73 for highway driving,its hard to avoid here in nj..any place where i can find all the info i need for this swap? including drive shaft issues?
Google yj 8.8 swap there is a plethora of write up.
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Old 03-25-2013, 12:24 AM   #13
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Old 03-28-2013, 01:50 PM   #14
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thank you everyone for the input..there is a wealth of knowledge and info here
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Old 03-28-2013, 02:17 PM   #15
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diff cover on the 8.8 is basically tin foil, i would plan to replace the cover with something a bit beefier

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